<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Galilean telescopes</topic></authority><related type="broader"><topic>refracting telescopes</topic></related><variant type="other"><topic>Galilean telescope</topic></variant><variant type="other"><topic>telescopes, Galilean</topic></variant> <note xml:lang="en"><![CDATA[ Refracting telescopes named after the telescope Galileo first constructed in 1609. Galilean telescopes are each designed with one convergent and one concave, or divergent, lens, with the divergent lens acting as the ocular lens, and the convergent lens as the objective lens that creates the image. ]]></note></mads>